import java.util.Scanner;

public class Main1030 {
    public static void main(String[] args) {
        Scanner sc =new Scanner(System.in);
        int m=sc.nextInt();
        int n=sc.nextInt();
        int a=m%n;
        if (a==0){
            System.out.println(m/n);
        }else {
            System.out.println(m/n+1);
        }
    }
}
